Big Block Chevy (Merc Hp 500) 1.80″ Wide Accessory Pulley / Big Block Chevy 

#4232 – 6 Rib Acc. Pulley / BBC ( Merc HP 500) 1.80″ Wide Accessory Pulley / BBC This 6 Rib accessory pulley is designed to replace the Mercury Marine HP 500 accessory pulley. It is 1.80” wide and machined to fit a BB 3 bolt harmonic balancer. Pulley is machined from 6061 T6 Alum and Hard Anodized for corrosion and wear protection. Pulley includes Grade 8 Crank Bolt and all other mounting hardware.

• Weight: 5 lbs
• Dimensions: 6×6×4 in
• Accessory Pulley / BBC: 1V Accessory Pulley / BBC, 2V Accessory Pulley / BBC, 6 Rib Accessory Pulley / BBC (6.0" DIA.), 6 Rib Accessory Pulley / BBC (7.5" DIA.), 3V Accessory Pulley / BBC, 6 Rib Acc. Pulley / BBC (Replaces Merc Steel) 2.750" Wide, 6 Rib Acc. Pulley / BBC (Merc HP 500) 1.80" Wide
• Engine Model: Big Block Chevy
• Finish: Polished, Black Hard Anodized